000 00305nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSSSA
245 0 _aSoil Science Society of America Journal Vol.35
260 _bSSSA
260 _c1971
365 _b0.00
650 _aSoil science
942 _cBK
999 _c249294
_d249294